Roof Sheathing Fascia Detail

In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.

Roof sheathing fascia detail.

Metal roofing specifications cad pdf drawings testing bim. Its top edge is tucked up under the shingles and its outside face is where the gutter is mounted. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Fascia and soffits finish the edges of roofs by covering the ends of the roof rafters or roof trusses where they overhang the sides of the house the fascia is the wide board that s installed on edge and runs horizontally along the edge of the roof.

Most of the roof runoff is going off the roof not down the fascia board. This is to just enough to cover the 3 4 x6 actual fascia. Ben likes to keep the bottom edge of the roof sheathing above the outer edge of the fascia in case there are little discrepancies in the framing so he marks a line about a quarter inch in from the outer edge of the. Where should roof drip edge flashing be placed.

Mark the thickness of the roof sheathing 1 2 in. Click to enlarge any image our illustration above shows proper placement of the roof drip edge atop the roof sheathing before installation of roofing felt or ice and water shield and spaced a bit away from the fascia. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. 1 vent space insulation retainer r 30 batt insul or code req roofingsystem roof sheathing 12 5 j f f i it1 v 2x4 blking nailer dbl2x4.

I ve trimmed my roof sheathing to run between 5 8 and 3 4 over the sub fascia. This would add another 3 4 to the thickness. Roof sheathing or decking is one of those elements. Now that i ve modeled what i was going to build i decided i need a piece of molding to break up the plain look of just the fascia trim plank.